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(-) Description

Title :  STRUCTURE OF THE THIOALKALIVIBRIO NITRATIREDUCENS CYTOCHROME C NITRITE REDUCTASE IN COMPLEX WITH SULFITE (MODIFIED TYR-303)
 
Authors :  A. A. Trofimov, K. M. Polyakov, K. M. Boyko, A. A. Filimonenkov, T. V. Tik V. S. Lamzin, G. P. Bourenkov, V. O. Popov
Date :  21 Jan 10  (Deposition) - 16 Feb 11  (Release) - 15 Feb 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (3x)
Keywords :  Alpha Protein, Eight Hemes C, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. A. Trofimov, K. M. Polyakov, T. V. Tikhonova, A. V. Tikhonov, T. N. Safonova, K. M. Boyko, P. V. Dorovatovskii, V. O. Popov
Covalent Modifications Of The Catalytic Tyrosine In Octahae Cytochrome C Nitrite Reductase And Their Effect On The Enzyme Activity.
Acta Crystallogr. , Sect. D V. 68 144 2012
PubMed-ID: 22281743  |  Reference-DOI: 10.1107/S0907444911052632

(-) Compounds

Molecule 1 - EIGHT-HEME NITRITE REDUCTASE
    Chains: A, B
    Organism Scientific: THIOALKALIVIBRIO NITRATIREDUCENS
    Organism Taxid: 186931
    Strain: ALEN 2

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (3x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 27)

Asymmetric Unit (5, 27)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2HEC16Ligand/IonHEME C
3MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
4SO35Ligand/IonSULFITE ION
5TRS2Ligand/Ion2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Biological Unit 1 (4, 75)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2HEC48Ligand/IonHEME C
3MPD6Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
4SO315Ligand/IonSULFITE ION
5TRS6Ligand/Ion2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL

(-) Sites  (27, 27)

Asymmetric Unit (27, 27)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREHIS A:113 , ALA A:114 , ASP A:125 , HIS A:126 , VAL A:129 , ARG A:131 , ALA A:179 , CYS A:184 , CYS A:187 , LYS A:188 , ARG A:242 , CYS A:299 , HIS A:300 , TYR A:303 , CYS A:305 , HIS A:361 , ASN A:486 , SO3 A:526 , HOH A:543 , HOH A:710 , HOH A:711 , HOH A:717 , HEC A:1006BINDING SITE FOR RESIDUE HEC A 1004
02AC2SOFTWAREHIS A:70 , GLN A:73 , CYS A:227 , CYS A:230 , HIS A:231 , MET A:384 , TYR A:395 , THR A:396 , HIS A:398 , HOH A:684 , HOH A:797 , HOH A:820 , HEC A:1003 , HOH A:1060BINDING SITE FOR RESIDUE HEC A 1005
03AC3SOFTWARESER A:84 , PRO A:116 , ARG A:117 , HIS A:119 , PHE A:121 , MET A:122 , ASP A:125 , CYS A:187 , LYS A:188 , LEU A:225 , MET A:229 , CYS A:296 , CYS A:299 , HIS A:300 , HIS A:383 , MET A:384 , GLN A:400 , HOH A:534 , HOH A:550 , HOH A:706 , HOH A:902 , HEC A:1004 , HEC A:1007BINDING SITE FOR RESIDUE HEC A 1006
04AC4SOFTWAREHIS A:300 , PHE A:367 , HIS A:372 , ALA A:378 , CYS A:379 , CYS A:382 , HIS A:383 , THR A:402 , ARG A:404 , LYS A:431 , ASN A:486 , PHE A:490 , HIS A:491 , HOH A:706 , HOH A:707 , HOH A:718 , HOH A:902 , HOH A:944 , HEC A:1006BINDING SITE FOR RESIDUE HEC A 1007
05AC5SOFTWAREASN A:141 , TRP A:142 , GLN A:143 , VAL A:371 , HIS A:372 , PRO A:403 , ALA A:410 , CYS A:411 , CYS A:414 , HIS A:415 , TRP A:418 , ILE A:427 , PHE A:490 , HOH A:657 , HOH A:891 , HOH A:978 , HOH A:1055BINDING SITE FOR RESIDUE HEC A 1008
06AC6SOFTWARECYS A:14 , PHE A:15 , HIS A:18 , ILE A:21 , HIS A:25 , VAL A:33 , ASN A:34 , CYS A:35 , CYS A:38 , HIS A:39 , ILE A:193 , LEU A:194 , PHE A:228 , PRO A:233 , HIS A:234 , ARG A:239 , PHE A:274 , ARG A:276 , ARG A:282 , HOH A:648 , HOH A:907 , HEC A:1001 , HEC A:1003BINDING SITE FOR RESIDUE HEC A 1002
07AC7SOFTWARELYS A:29 , HIS A:30 , HIS A:37 , ALA A:65 , CYS A:66 , CYS A:69 , HIS A:70 , CYS A:227 , HIS A:231 , ALA A:236 , HOH A:601 , HOH A:853 , HOH A:986 , HEC A:1002 , HEC A:1005 , HOH A:1039 , HOH A:1093BINDING SITE FOR RESIDUE HEC A 1003
08AC8SOFTWAREGLN A:13 , CYS A:14 , CYS A:17 , HIS A:18 , HIS A:39 , HIS A:44 , VAL A:45 , ALA A:48 , SER A:49 , SER A:50 , ARG A:52 , MET A:53 , ARG A:56 , PRO A:57 , THR A:59 , LEU A:194 , GLN A:275 , ARG A:276 , HOH A:652 , HOH A:682 , HOH A:831 , HOH A:873 , HOH A:907 , HEC A:1002 , HOH A:1019 , HOH A:1051BINDING SITE FOR RESIDUE HEC A 1001
09AC9SOFTWAREPHE A:109 , ARG A:131 , TYR A:303 , GLN A:360 , HIS A:361 , HOH A:717 , HOH A:998 , HEC A:1004BINDING SITE FOR RESIDUE SO3 A 526
10BC1SOFTWAREGLU A:302 , TYR A:303 , LYS A:358 , GLN A:360 , HOH A:800 , HOH A:801BINDING SITE FOR RESIDUE CA A 527
11BC2SOFTWAREARG A:87 , GLN A:138 , PHE A:139 , TRP A:142 , ARG A:497 , HOH A:1000BINDING SITE FOR RESIDUE MPD A 528
12BC3SOFTWAREHIS A:18 , THR A:19 , GLN A:20 , ILE A:21 , PHE A:274 , HOH A:907BINDING SITE FOR RESIDUE SO3 A 529
13BC4SOFTWARELYS A:102 , HOH A:570 , HOH A:584 , HOH A:593 , HOH A:916BINDING SITE FOR RESIDUE TRS A 530
14BC5SOFTWAREHIS B:113 , ALA B:114 , ASP B:125 , HIS B:126 , VAL B:129 , ARG B:131 , CYS B:184 , CYS B:187 , LYS B:188 , ARG B:242 , CYS B:299 , HIS B:300 , TYR B:303 , CYS B:305 , HIS B:361 , ASN B:486 , SO3 B:526 , HOH B:636 , HOH B:775 , HOH B:776 , HOH B:782 , HEC B:1006 , HOH B:1080BINDING SITE FOR RESIDUE HEC B 1004
15BC6SOFTWAREHIS B:70 , GLN B:73 , LEU B:225 , ASN B:226 , CYS B:227 , CYS B:230 , HIS B:231 , MET B:384 , TYR B:395 , THR B:396 , HIS B:398 , HOH B:749 , HOH B:862 , HOH B:885 , HEC B:1003 , HEC B:1006BINDING SITE FOR RESIDUE HEC B 1005
16BC7SOFTWARESER B:84 , PRO B:116 , ARG B:117 , HIS B:119 , PHE B:121 , MET B:122 , ASP B:125 , CYS B:187 , LYS B:188 , MET B:229 , CYS B:296 , CYS B:299 , HIS B:300 , HIS B:383 , MET B:384 , GLN B:400 , HOH B:617 , HOH B:653 , HOH B:771 , HOH B:968 , HEC B:1004 , HEC B:1005 , HEC B:1007BINDING SITE FOR RESIDUE HEC B 1006
17BC8SOFTWAREHIS B:300 , GLU B:363 , PHE B:367 , HIS B:372 , ALA B:378 , CYS B:379 , CYS B:382 , HIS B:383 , THR B:402 , ARG B:404 , LYS B:431 , ASN B:486 , PHE B:490 , HIS B:491 , HOH B:771 , HOH B:772 , HOH B:783 , HOH B:968 , HEC B:1006 , HOH B:1019BINDING SITE FOR RESIDUE HEC B 1007
18BC9SOFTWAREASN B:141 , TRP B:142 , GLN B:143 , VAL B:371 , HIS B:372 , PRO B:403 , ALA B:410 , CYS B:411 , CYS B:414 , HIS B:415 , TRP B:418 , ILE B:427 , PHE B:490 , HOH B:956 , HOH B:1053BINDING SITE FOR RESIDUE HEC B 1008
19CC1SOFTWARECYS B:14 , PHE B:15 , HIS B:18 , ILE B:21 , HIS B:25 , VAL B:33 , ASN B:34 , CYS B:35 , CYS B:38 , HIS B:39 , LEU B:194 , PHE B:228 , PRO B:233 , HIS B:234 , ARG B:239 , PHE B:274 , ARG B:276 , ARG B:282 , HOH B:714 , HOH B:973 , HEC B:1001 , HEC B:1003BINDING SITE FOR RESIDUE HEC B 1002
20CC2SOFTWARELYS B:29 , HIS B:30 , HIS B:37 , ALA B:65 , CYS B:66 , CYS B:69 , HIS B:70 , CYS B:227 , HIS B:231 , ALA B:236 , HOH B:602 , HOH B:918 , HEC B:1002 , HEC B:1005 , HOH B:1045 , HOH B:1061 , HOH B:1104BINDING SITE FOR RESIDUE HEC B 1003
21CC3SOFTWAREGLN B:13 , CYS B:14 , CYS B:17 , HIS B:18 , HIS B:39 , ALA B:41 , HIS B:44 , VAL B:45 , ALA B:48 , SER B:49 , ARG B:51 , ARG B:52 , ARG B:56 , PRO B:57 , THR B:59 , LEU B:194 , GLN B:275 , ARG B:276 , SO3 B:529 , HOH B:559 , HOH B:717 , HOH B:747 , HOH B:896 , HOH B:938 , HOH B:973 , HEC B:1002 , HOH B:1084BINDING SITE FOR RESIDUE HEC B 1001
22CC4SOFTWAREPHE B:109 , ARG B:131 , TYR B:303 , GLN B:360 , HIS B:361 , HOH B:782 , HEC B:1004 , HOH B:1073 , HOH B:1080BINDING SITE FOR RESIDUE SO3 B 526
23CC5SOFTWAREGLU B:302 , TYR B:303 , LYS B:358 , GLN B:360 , HOH B:865 , HOH B:866BINDING SITE FOR RESIDUE CA B 527
24CC6SOFTWAREARG B:87 , GLN B:138 , PHE B:139 , TRP B:142 , ARG B:497 , HOH B:1075BINDING SITE FOR RESIDUE MPD B 528
25CC7SOFTWAREHIS B:18 , THR B:19 , GLN B:20 , ILE B:21 , PHE B:274 , HOH B:698 , HOH B:973 , HEC B:1001BINDING SITE FOR RESIDUE SO3 B 529
26CC8SOFTWARESER A:50 , ARG A:51 , ARG B:252 , LEU B:254 , GLU B:341 , HOH B:876 , HOH B:992BINDING SITE FOR RESIDUE SO3 B 530
27CC9SOFTWARELYS B:102 , HOH B:607 , HOH B:669 , HOH B:678 , HOH B:982BINDING SITE FOR RESIDUE TRS B 531

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3LGQ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3LGQ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3LGQ)

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MULTIHEME_CYTCPS51008 Multiheme cytochrome c family profile.NIR_THIND37-448
 		  2A:9-420
B:9-420
Biological Unit 1 (1, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MULTIHEME_CYTCPS51008 Multiheme cytochrome c family profile.NIR_THIND37-448
 		  6A:9-420
B:9-420

(-) Exons   (0, 0)

(no "Exon" information available for 3LGQ)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:519
 aligned with NIR_THIND | L0DSL2 from UniProtKB/Swiss-Prot  Length:553

    Alignment length:519
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542         
            NIR_THIND    33 NLKPVDAMQCFDCHTQIEDMHTVGKHATVNCVHCHDATEHVETASSRRMGERPVTRMDLEACATCHTAQFNSFVEVRHESHPRLEKATPTSRSPMFDKLIAGHGFAFEHAEPRSHAFMLVDHFVVDRAYGGRFQFKNWQKVTDGMGAVRGAWTVLTDADPESSDQRRFLSQTATAANPVCLNCKTQDHILDWAYMGDEHEAAKWSRTSEVVEFARDLNHPLNCFMCHDPHSAGPRVVRDGLINAVVDRGLGTYPHDPVKSEQQGMTKVTFQRGREDFRAIGLLDTADSNVMCAQCHVEYNCNPGYQLSDGSRVGMDDRRANHFFWANVFDYKEAAQEIDFFDFRHATTGAALPKLQHPEAETFWGSVHERNGVACADCHMPKVQLENGKVYTSHSQRTPRDMMGQACLNCHAEWTEDQALYAIDYIKNYTHGKIVKSEYWLAKMIDLFPVAKRAGVSEDVLNQARELHYDAHLYWEWWTAENSVGFHNPDQARESLMTSISKSKEAVSLLNDAIDAQVA 551
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhh.hhhhhhhhh.......hhhh.eehhhhhhhh.........ee...hhhhhh.hhhhhhhhhh...................hhhhhhh.hhhhh......hhhhhhhhhhhh.......eee.hhhhhhhhhhhhhhhhhheee...................hhhhhhhh........hhhhh...........hhhhhhhh.....hhhhh........ee.hhhhhhhhh.........hhhhhhhh.eeeeeeee..eeeeeeeee...hhhhhhh.....eee..ee......ee...hhh.eee......hhhhhhhhh....ee......ee.....hhhhhhh.hhhhhh..hhhhhhh.................hhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----MULTIHEME_CYTC  PDB: A:9-420 UniProt: 37-448                                                                                                                                                                                                                                                                                                                                                                                ------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3lgq A   5 NLKPVDAMQCFDCHTQIEDMHTVGKHATVNCVHCHDATEHVETASSRRMGERPVTRMDLEACATCHTAQFNSFVEVRHESHPRLEKATPTSRSPMFDKLIAGHGFAFEHAEPRSHAFMLVDHFVVDRAYGGRFQFKNWQKVTDGMGAVRGAWTVLTDADPESSDQRRFLSQTATAANPVCLNCKTQDHILDWAYMGDEHEAAKWSRTSEVVEFARDLNHPLNCFMCHDPHSAGPRVVRDGLINAVVDRGLGTYPHDPVKSEQQGMTKVTFQRGREDFRAIGLLDTADSNVMCAQCHVEYNCNPGYQLSDGSRVGMDDRRANHFFWANVFDYKEAAQEIDFFDFRHATTGAALPKLQHPEAETFWGSVHERNGVACADCHMPKVQLENGKVYTSHSQRTPRDMMGQACLNCHAEWTEDQALYAIDYIKNYTHGKIVKSEYWLAKMIDLFPVAKRAGVSEDVLNQARELHYDAHLYWEWWTAENSVGFHNPDQARESLMTSISKSKEAVSLLNDAIDAQVA 523
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514         


Chain B from PDB  Type:PROTEIN  Length:519
 aligned with NIR_THIND | L0DSL2 from UniProtKB/Swiss-Prot  Length:553

    Alignment length:519
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       452       462       472       482       492       502       512       522       532       542         
            NIR_THIND    33 NLKPVDAMQCFDCHTQIEDMHTVGKHATVNCVHCHDATEHVETASSRRMGERPVTRMDLEACATCHTAQFNSFVEVRHESHPRLEKATPTSRSPMFDKLIAGHGFAFEHAEPRSHAFMLVDHFVVDRAYGGRFQFKNWQKVTDGMGAVRGAWTVLTDADPESSDQRRFLSQTATAANPVCLNCKTQDHILDWAYMGDEHEAAKWSRTSEVVEFARDLNHPLNCFMCHDPHSAGPRVVRDGLINAVVDRGLGTYPHDPVKSEQQGMTKVTFQRGREDFRAIGLLDTADSNVMCAQCHVEYNCNPGYQLSDGSRVGMDDRRANHFFWANVFDYKEAAQEIDFFDFRHATTGAALPKLQHPEAETFWGSVHERNGVACADCHMPKVQLENGKVYTSHSQRTPRDMMGQACLNCHAEWTEDQALYAIDYIKNYTHGKIVKSEYWLAKMIDLFPVAKRAGVSEDVLNQARELHYDAHLYWEWWTAENSVGFHNPDQARESLMTSISKSKEAVSLLNDAIDAQVA 551
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhh.hhhhhhhhh.......hhhh.eehhhhhhhh.........ee...hhhhhh.hhhhhhhhhh...................hhhhhhh.hhhhhh.....hhhhhhhhhhhh.......eee.hhhhhhhhhhhhhhhhhheee...................hhhhhhhh........hhhhh...........hhhhhhhh.....hhhhh........ee.hhhhhhhhh.........hhhhhhhh.eeeeeeee..eeeeeeeee...hhhhhhh.....eee..ee......ee...hhh.eee......hhhhhhhhh....ee......ee.....hhhhhhh.hhhhhh..hhhhhhh.................hhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----MULTIHEME_CYTC  PDB: B:9-420 UniProt: 37-448                                                                                                                                                                                                                                                                                                                                                                                ------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3lgq B   5 NLKPVDAMQCFDCHTQIEDMHTVGKHATVNCVHCHDATEHVETASSRRMGERPVTRMDLEACATCHTAQFNSFVEVRHESHPRLEKATPTSRSPMFDKLIAGHGFAFEHAEPRSHAFMLVDHFVVDRAYGGRFQFKNWQKVTDGMGAVRGAWTVLTDADPESSDQRRFLSQTATAANPVCLNCKTQDHILDWAYMGDEHEAAKWSRTSEVVEFARDLNHPLNCFMCHDPHSAGPRVVRDGLINAVVDRGLGTYPHDPVKSEQQGMTKVTFQRGREDFRAIGLLDTADSNVMCAQCHVEYNCNPGYQLSDGSRVGMDDRRANHFFWANVFDYKEAAQEIDFFDFRHATTGAALPKLQHPEAETFWGSVHERNGVACADCHMPKVQLENGKVYTSHSQRTPRDMMGQACLNCHAEWTEDQALYAIDYIKNYTHGKIVKSEYWLAKMIDLFPVAKRAGVSEDVLNQARELHYDAHLYWEWWTAENSVGFHNPDQARESLMTSISKSKEAVSLLNDAIDAQVA 523
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3LGQ)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3LGQ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3LGQ)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (NIR_THIND | L0DSL2)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0042279    nitrite reductase (cytochrome, ammonia-forming) activity    Catalysis of the reaction: NH3 + 2 H2O + 6 ferricytochrome c = nitrite + 6 ferrocytochrome c + 7 H+.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0097164    ammonium ion metabolic process    The chemical reactions and pathways involving the ammonium ion.
    GO:0042128    nitrate assimilation    The nitrogen metabolic process that encompasses the uptake of nitrate from the environment and reduction to ammonia, and results in the incorporation of nitrogen derived from nitrate into cellular substances.
    GO:0006807    nitrogen compound metabolic process    The chemical reactions and pathways involving organic or inorganic compounds that contain nitrogen.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        NIR_THIND | L0DSL2: 2ot4 2zo5 3d1i 3f29 3fo3 3gm6 3lg1 3mmo 3owm 3rkh 3s7w 3sce 3uu9 4l38 4l3x 4l3y 4l3z 4q0t 4q17 4q1o 4q4u 4q5b 4q5c

(-) Related Entries Specified in the PDB File

3f29 3fo3 3gm6 3lg1